<template>
  <div>
    <el-tree
      default-expand-all
      :data="depts"
      :props="defaultProps"
      :expand-on-click-node="false"
    >
      <!-- 节点结构 -->
      <!-- v-slot="{ node, data }" 只能作用在template -->
      <template v-slot="{ data }">
        <el-row
          style="width: 100%; height: 40px"
          type="flex"
          justify="space-between"
          align="middle"
        >
          <el-col>{{ data.name }}</el-col>
          <el-col :span="4">
            <span class="tree-manager">{{ data.managerName }}</span>
            <!-- $event 实参 表示类型 -->
            <el-dropdown @command="operateDept($event, data.id)">
              <!-- 显示区域内容 -->
              <span class="el-dropdown-link">
                操作<i class="el-icon-arrow-down el-icon--right" />
              </span>
              <!-- 下拉菜单选项 -->
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                <el-dropdown-item command="del">删除</el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          </el-col>
        </el-row>
      </template>
    </el-tree>
    <add-dept
      ref="addDept"
      :current-node-id="currentNodeId"
      :show-dialog.sync="showDialog"
      :operation-type="operationType"
      @updateDepartment="getDepartment"
    />
  </div>
</template>

<script>
import { getDepartment, delDepartment } from "@/api/department";
import { transListToTreeData } from "@/utils/index";
// 引入新增组件
import AddDept from "@/views/department/components/add-dept.vue";
export default {
  name: "Department",
  components: {
    AddDept, //注册AddDept组件
  },
  data() {
    return {
      // 部门数据
      depts: [
        {
          name: "传智教育",
          children: [
            { name: "总裁办" },
            { name: "行政部" },
            { name: "财务部" },
          ],
        },
      ],
      //   默认属性
      defaultProps: {
        children: "children",
        label: "name",
      },
      showDialog: false, // 控制新增部门显示弹窗
      currentNodeId: null, // 存储当前点击的id
      operationType: null, // 新增或编辑操作类型
    };
  },
  created() {
    this.getDepartment();
  },
  methods: {
    // 获取部门数据
    async getDepartment() {
      let res = await getDepartment();
      this.depts = transListToTreeData(res, 0);
    },
    // 弹窗的控制
    operateDept(type, id) {
      if (type === "add") {
        // 添加
        this.showDialog = true;
        this.currentNodeId = id;
        // 传递操作类型
        this.operationType = type;
      } else if (type === "edit") {
        // 编辑
        this.showDialog = true;
        this.currentNodeId = id;
        // 传递操作类型
        this.operationType = type;
        // 异步获取数据
        this.$nextTick(() => {
          this.$refs.addDept.getDepartmentDetail();
        });
      } else if (type === "del") {
        // 删除部门
        this.$confirm("您确认要删除该部门吗").then(async () => {
          await delDepartment(id);
          // 提示消息
          this.$message.success("删除部门成功");
          this.getDepartment();
        });
      }
    },
  },
};
</script>

<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  margin-right: 50px;
  width: 50px;
  display: inline-block;
}
</style>

